Shock absorber



FIG. 1 is a front elvational view of a shock absorber showing my new design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a front elevational view of a shock absorber showing a second embodiment of my new design;

FIG. 7 is a right side elevational view of FIG. 6; and

FIG. 8 is a left side elevational view of FIG. 6.

The top and bottom views of the second embodiment of the shock absorber are substantially identical to those of the first embodiment shown in FIGS. 4 and 5. 

The ornamental design for a shock absorber, as shown and described. 